1156375800440 has 64 divisors (see below), whose sum is σ = 3011177548800. Its totient is φ = 391453066368.

The previous prime is 1156375800421. The next prime is 1156375800443. The reversal of 1156375800440 is 440085736511.

It is a junction number, because it is equal to n+sod(n) for n = 1156375800391 and 1156375800400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156375800443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26116574 + ... + 26160813.

It is an arithmetic number, because the mean of its divisors is an integer number (47049649200).

Almost surely, 2^{1156375800440} is an apocalyptic number.

1156375800440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1156375800440 is an abundant number, since it is smaller than the sum of its proper divisors (1854801748360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1156375800440 is a wasteful number, since it uses less digits than its factorization.

1156375800440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52277484 (or 52277480 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 1156375800440 in words is "one trillion, one hundred fifty-six billion, three hundred seventy-five million, eight hundred thousand, four hundred forty".